Finding the Fourth Proportional to 557,442.92, 769,285.54 and 302,808.68
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Solution
The fourth proportional to 557,442.92, 769,285.54 and 302,808.68 is: 417,883.75
Step by Step Solution
- Step 1: Write the proportion equation
557,442.92 : 769,285.54 = 302,808.68 : x - Step 2: Convert to fraction form
557,442.92/769,285.54 = 302,808.68/x - Step 3: Cross multiply
557,442.92x = 769,285.54 × 302,808.68 - Step 4: Simplify right side
557,442.92x = 232,946,338,910.49 - Step 5: Solve for x
x = 232,946,338,910.49/557,442.92 - Step 6: Final answer
x = 417,883.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.